AngelynnP347448 AngelynnP347448

04-11-2022
Mathematics

contestada

jennica has a total of $3.40 in nickels and quarters if she has twenty coins,how many are nickels and how many are quarters ?

Respuesta :

CylanF613180 CylanF613180

04-11-2022

total money = $3.40

1 quarter = $0.25 = q

1 nickels = $0.05 = n

n + q = 20

0.25q + 0.05n = 3.40

Solve for n

n = 20 - q

0.25q + 0.05(20 - q) = 3-40

0.25q + 1 - 0.05q = 3.40

0.30q + 1 = 3.40

0.30q = 3.40 - 1

0.30q = 2.40

q = 2.40/0.30

q =

Answer Link

Otras preguntas

What is the slope of the line on the graph

Compared with a mole of oxygen-16, a mole of sulfur-32 contains: A. twice as many atoms B. half as many atoms C. an equal number of atoms D. 8 times as many ato

Which two sentences indicate a first-person point of view? 1 Shelley, our cat, always gets excited when Mrs. Peters visits us. 2 Captain Torres was not happy wi

Describe the biodiversity within a tropical rainforests biome

A number (such as 0, 1, 2, 3, 4, 5, etc.) that is not a negative and is not a fraction.

To show how a community's honor and character are symbolized, then the source of assistance to use is called _____. SBDC SCORE SBA Chamber of Commerce

Workers digging a tunnel through a city find some ancient pots decorated with geometric designs. Which of the following tasks might they ask a chemist to do? Ex

How has Mary set the stage for her husband's return from work, and what is her emotional state?

HURRY PLZ (01.02 LC) What does the weight of an object depend on? (4 points) a Time taken for an event to occur b Temperature of the object c Force of gravity d

The cellular environment and one-piece completion process of Continuous Flow enables organizations to identify and eliminate non value-adding activities that we

Q&A Education